# OpenHistoricalMap time-aware basemap style

**Canonical:** https://apis.io/providers/openhistoricalmap/  
**Website:** https://openhistoricalmap.org/  
**APIs profiled:** 1

OpenHistoricalMap provides a time-aware basemap style that visualizes historical geographic data across different eras. It is an open, nonprofit project affiliated with the OpenStreetMap Foundation, offering an interactive map where users can explore, edit, and contribute historical map data. The platform supports various routing engines, data export, and user-contributed diaries, aiming to make historical geospatial information publicly accessible and reusable.

## Kin Score — 7.4 / 100 (minimal)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 57.1 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 11.9 |
| Access Clarity | 0.0 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 5.9 (matched via fallback).

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |

## APIs (1)

- **OpenHistoricalMap API** — The OpenHistoricalMap platform provides a time‑aware basemap style and map data access via its web interface, but no public machine‑readable API specification was found.

## Security (1)

- **Openhistoricalmap Domain Security** — TLSv1.3 · HSTS

## Tags

Mapping, Historical, Open-Source, Nonprofit, Geospatial, Community

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/openhistoricalmap/). Scores are computed from the provider's own public artifacts under a published rubric.